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Mirrors > Home > MPE Home > Th. List > op2ndd | Structured version Visualization version GIF version |
Description: Extract the second member of an ordered pair. (Contributed by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
op1st.1 | ⊢ 𝐴 ∈ V |
op1st.2 | ⊢ 𝐵 ∈ V |
Ref | Expression |
---|---|
op2ndd | ⊢ (𝐶 = 〈𝐴, 𝐵〉 → (2nd ‘𝐶) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 6670 | . 2 ⊢ (𝐶 = 〈𝐴, 𝐵〉 → (2nd ‘𝐶) = (2nd ‘〈𝐴, 𝐵〉)) | |
2 | op1st.1 | . . 3 ⊢ 𝐴 ∈ V | |
3 | op1st.2 | . . 3 ⊢ 𝐵 ∈ V | |
4 | 2, 3 | op2nd 7698 | . 2 ⊢ (2nd ‘〈𝐴, 𝐵〉) = 𝐵 |
5 | 1, 4 | syl6eq 2872 | 1 ⊢ (𝐶 = 〈𝐴, 𝐵〉 → (2nd ‘𝐶) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 Vcvv 3494 〈cop 4573 ‘cfv 6355 2nd c2nd 7688 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3773 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-iota 6314 df-fun 6357 df-fv 6363 df-2nd 7690 |
This theorem is referenced by: 2nd2val 7718 xp2nd 7722 sbcopeq1a 7748 csbopeq1a 7749 eloprabi 7761 mpomptsx 7762 dmmpossx 7764 fmpox 7765 ovmptss 7788 fmpoco 7790 df2nd2 7794 frxp 7820 xporderlem 7821 fnwelem 7825 fimaproj 7829 xpf1o 8679 mapunen 8686 xpwdomg 9049 hsmexlem2 9849 nqereu 10351 uzrdgfni 13327 fsumcom2 15129 fprodcom2 15338 qredeu 16002 comfeq 16976 isfuncd 17135 cofucl 17158 funcres2b 17167 funcpropd 17170 xpcco2nd 17435 xpccatid 17438 1stf2 17443 2ndf2 17446 1stfcl 17447 2ndfcl 17448 prf2fval 17451 prfcl 17453 evlf2 17468 evlfcl 17472 curf12 17477 curf1cl 17478 curf2 17479 curfcl 17482 hof2fval 17505 hofcl 17509 txbas 22175 cnmpt2nd 22277 txhmeo 22411 ptuncnv 22415 ptunhmeo 22416 xpstopnlem1 22417 xkohmeo 22423 prdstmdd 22732 ucnimalem 22889 fmucndlem 22900 fsum2cn 23479 ovoliunlem1 24103 2sqreuop 26038 2sqreuopnn 26039 2sqreuoplt 26040 2sqreuopltb 26041 2sqreuopnnlt 26042 2sqreuopnnltb 26043 wlkl0 28146 fcnvgreu 30418 fsumiunle 30545 gsummpt2co 30686 esumiun 31353 eulerpartlemgs2 31638 hgt750lemb 31927 satfv1 32610 satefvfmla0 32665 msubrsub 32773 msubco 32778 msubvrs 32807 filnetlem4 33729 finixpnum 34892 poimirlem4 34911 poimirlem15 34922 poimirlem20 34927 poimirlem26 34933 heicant 34942 heiborlem4 35107 heiborlem6 35109 dicelvalN 38329 rmxypairf1o 39557 unxpwdom3 39744 fgraphxp 39860 elcnvlem 40010 dvnprodlem2 42281 etransclem46 42614 ovnsubaddlem1 42901 uspgrsprf 44070 uspgrsprf1 44071 dmmpossx2 44434 lmod1zr 44597 rrx2plordisom 44759 |
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